From 3a8c80a388df64dd58b4dc77e7219dfdd20f4aac Mon Sep 17 00:00:00 2001
From: Alexei Arabadji <aarabadji@productengine.com>
Date: Tue, 10 Nov 2009 18:45:51 +0200
Subject: fixed EXT-2275 "[BSI] New incoming IM or Group IM pushes all existing
 (and new) chiclets off the right end of the chiclet bar."

--HG--
branch : product-engine
---
 indra/newview/llchiclet.cpp | 25 +++++++++++++++++++++++--
 indra/newview/llchiclet.h   | 11 +++++++++++
 2 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/indra/newview/llchiclet.cpp b/indra/newview/llchiclet.cpp
index fe4859ead0..e5c73dcbef 100644
--- a/indra/newview/llchiclet.cpp
+++ b/indra/newview/llchiclet.cpp
@@ -59,6 +59,9 @@ static const LLRect CHICLET_RECT(0, 25, 25, 0);
 static const LLRect CHICLET_ICON_RECT(0, 24, 24, 0);
 static const LLRect VOICE_INDICATOR_RECT(25, 25, 45, 0);
 
+// static
+const S32 LLChicletPanel::s_scroll_ratio = 10;
+
 S32 LLNotificationChiclet::mUreadSystemNotifications = 0;
 
 boost::signals2::signal<LLChiclet* (const LLUUID&),
@@ -856,12 +859,14 @@ BOOL LLChicletPanel::postBuild()
 
 	mLeftScrollButton=getChild<LLButton>("chicklet_left_scroll_button");
 	LLTransientFloaterMgr::getInstance()->addControlView(mLeftScrollButton);
-	mLeftScrollButton->setClickedCallback(boost::bind(&LLChicletPanel::onLeftScrollClick,this));
+	mLeftScrollButton->setMouseDownCallback(boost::bind(&LLChicletPanel::onLeftScrollClick,this));
+	mLeftScrollButton->setHeldDownCallback(boost::bind(&LLChicletPanel::onLeftScrollHeldDown,this));
 	mLeftScrollButton->setEnabled(false);
 
 	mRightScrollButton=getChild<LLButton>("chicklet_right_scroll_button");
 	LLTransientFloaterMgr::getInstance()->addControlView(mRightScrollButton);
-	mRightScrollButton->setClickedCallback(boost::bind(&LLChicletPanel::onRightScrollClick,this));
+	mRightScrollButton->setMouseDownCallback(boost::bind(&LLChicletPanel::onRightScrollClick,this));
+	mRightScrollButton->setHeldDownCallback(boost::bind(&LLChicletPanel::onRightScrollHeldDown,this));
 	mRightScrollButton->setEnabled(false);	
 
 	return TRUE;
@@ -1220,6 +1225,22 @@ void LLChicletPanel::onRightScrollClick()
 	scrollRight();
 }
 
+void LLChicletPanel::onLeftScrollHeldDown()
+{
+	S32 offset = mScrollingOffset;
+	mScrollingOffset = mScrollingOffset / s_scroll_ratio;
+	scrollLeft();
+	mScrollingOffset = offset;
+}
+
+void LLChicletPanel::onRightScrollHeldDown()
+{
+	S32 offset = mScrollingOffset;
+	mScrollingOffset = mScrollingOffset / s_scroll_ratio;
+	scrollRight();
+	mScrollingOffset = offset;
+}
+
 boost::signals2::connection LLChicletPanel::setChicletClickedCallback(
 	const commit_callback_t& cb)
 {
diff --git a/indra/newview/llchiclet.h b/indra/newview/llchiclet.h
index 97af82fe2f..e7afd7f08e 100644
--- a/indra/newview/llchiclet.h
+++ b/indra/newview/llchiclet.h
@@ -830,6 +830,16 @@ protected:
 	*/
 	void onRightScrollClick();
 
+	/*
+	* Callback for right scroll button held down event
+	*/
+	void onLeftScrollHeldDown();
+
+	/*
+	 * Callback for left scroll button held down event
+	 */
+	void onRightScrollHeldDown();
+
 	/*
 	 * Callback for mouse wheel scrolled, calls scrollRight() or scrollLeft()
 	*/
@@ -870,6 +880,7 @@ protected:
 	S32 mScrollingOffset;
 	S32 mMinWidth;
 	bool mShowControls;
+	static const S32 s_scroll_ratio;
 };
 
 template<class T> 
-- 
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